[" The format "],[" 12."4" A square meter of height में,जिसकी The arm "6" The meter है,हवा Volume of "],[" In the following कौन-सा होगा? "],[" (i) "24" Cubic m "]

An open box with a square base is to be made out of a given Iron sheet of area 36 square meter. Show that the maximum volume of the box is 12sqrt3 cubic meter.

An open box with a square base is to be made out of a given Iron sheet of area 18 square meter. Show that the maximum volume of the box is 3sqrt6 cubic meter.

A rectangular solid has square base, with each side of the base measuring 4 meters. If the volume of the solid is 112 cubic meters, what is the surface area of the solid?

Find the area, in square meters, of a rectangle whose Length = 5.5 m, breadth = 2.4 m Length = 180 cm, breadth = 150 cm

A conical water tank with vertex down of 12 meters height has a radius of 5 meters at the top. If water flows into the tank at a rate 10 cubic m/min, how fast is the depth of the water increases when the water is 8 metres deep?

A man of height 180 cm is moving away from a lamp post at the rate of 1.2 meter per second. If the height of the lamp post is 4.5 meters, find the rate at which (i) his shadow is lengthening. (ii) the tip of the shadow is moving.

The length and breath of a room are 6m and 4m respectively. how many square meters of carpet is required to completely cover the floor of the room? if the carpet cost ₹240 a squate meter, what will be the total cost of completely covering the floor?

Find the square roots of the following (i) 4+3i (ii) -5+12i (iii) 8-15i (iv) 7-24i(" where " , i=sqrt(-1))

Find the square roots of the following (i) 4+3i (ii) -5+12i (iii) 8-15i (iv) 7-24i(" where " , i=sqrt(-1))